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Getting started
Expansion handset
Your new AT&T TL92278/TL92328/TL92378 telephone system canTL92278/TL92328/TL92378 telephone system cantelephone system can
accommodate up to 12 handsets. You can add new handsets (AT&T TL90078,
purchased separately) to your telephone system, but each device must be
registered with the telephone base before use. To register a new handset,
see page 15.
The handsets provided with the TL92278 come pre-registered as HANDSET
1 and HANDSET 2. You can register up to 10 additional handsets to the
telephone base, and they will be assigned numbers in the order they are
registered (HANDSET �, HANDSET 4, HANDSET 5 and so on).
The handsets provided with the TL92328/TL92378 come pre-registered
as HANDSET 1, HANDSET 2 and HANDSET �. You can register up to nine
additional handsets to the telephone base, and they will be assigned numbers
in the order they are registered (HANDSET 4, HANDSET 5, HANDSET 6 and
so on).